Display screen of an electronic device with a graphical user interface



FIG. 1 illustrates a front view for a display screen of an electronic device with a graphical user interface, in accordance with a first embodiment of our design; and,

FIG. 2 illustrates a front view for a display screen of an electronic device with a graphical user interface, in accordance with a second embodiment of our design.

The broken line showing portions of the display screen and electronic device illustrates unclaimed environment and forms no part of the claimed design. The broken line showing portions of the graphical user interface illustrate unclaimed portions of the graphical user interface and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen of an electronic device with a graphical user interface, as shown and described. 